.outer {
    width: 1400px;
    margin: 0 auto;
    padding: 0;
    position: relative;
}
.head {
    height: 50px;
    width: 100%;
    background-color: rgb(104, 152, 184);
    position: absolute;
    top: 0;
    left: 0;
}
#head_text {
    width: 400px;
    font-size: 26px;
    color: white;
    position: absolute;
    left: 20px;
    top: 10px;
}
#dropdown {
    position: absolute;
    right: 120px;
    top: 0;
}
#dropdown_btn {
    height: 50px;
    width: 150px;
    outline: none;
    border-color: transparent;
    box-shadow:none;
}
#dropdown_btn_left {
    position: absolute;
    left: 20px;
    top: 15px;
}
#dropdown_btn_mid {
    position: absolute;
    left: 45px;
    top: 15px;
}
#dropdown_btn_right {
    position: absolute;
    right: 20px;
}

#menu_main{
    width: 200px;
    height: 800px;
    background-color: rgb(236, 240, 245);
    position: absolute;
    top: 50px;
    left: 0;
}
.dropdown1 {
    position: absolute;
    left: 0;
    top: 20px;
}
#dropdown_btn1 {
    height: 30px;
    width: 200px;
    background-color: rgb(204, 211, 216);
    outline: none;
    border-color: transparent;
    box-shadow:none;
}
#dd_menu {
    width: 200px;
    background-color: white;
}
#dropdown_btn_mid1 {
    color: black;
    font-weight: bold;
    position: absolute;
    left: 60px;
    top: 5px;
}
#dropdown_btn_right1 {
    position: absolute;
    right: 20px;
}
#view_main {
    width: 1200px;

    position: absolute;
    top: 50px;
    right: 0;
}
#view_main_ch {
    width: 1100px;
    height: 750px;
    border: 1px solid rgb(178, 192, 209);
    position: absolute;
    top: 50px;
    left: 50px;
}
#view_btn {
    width: 1100px;
    height: 50px;
    background-color: rgb(236, 240, 245);
}
#view_table {
    width: 1040px;
    height: 600px;
    margin: 30px;
    border: 1px solid black;
    position: absolute;
    top: 100px;
    left: 50px;
}
#pag {
    width: 200px;
    position: absolute;
    top: 730px;
    left: 480px;
}
#btn_add {
    position: absolute;
    left: 100px;
    top: 10px;
}
#btn_set {
    position: absolute;
    left: 170px;
    top: 10px;
}
#btn_del {
    position: absolute;
    left: 240px;
    top: 10px;
}

#btn_refresh {
    position: absolute;
    left: 30px;
    top: 10px;
}
/*查询功能表单*/
#div_form {
    width: 500px;
    position: absolute;
    right: 30px;
}
#que_sid {
    position: absolute;
    right: 100px;
}
#que_sname {
    position: absolute;
    right: 300px;
}
#btn_que {
    position: absolute;
    right: 0;
    top: 10px;
}